From: simonmar <unknown>
Date: Mon, 28 Apr 2003 09:57:12 +0000 (+0000)
Subject: [project @ 2003-04-28 09:57:12 by simonmar]
X-Git-Tag: Approx_11550_changesets_converted~939
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=df95d4f3f96a73287087f71c98cb80e1343a11a4;p=ghc-hetmet.git

[project @ 2003-04-28 09:57:12 by simonmar]
Comments to note the relationship between the RET_DYN stack frame size
and RESERVED_STACK_WORDS.
---

diff --git a/ghc/includes/StgMacros.h b/ghc/includes/StgMacros.h
index faa8e07..8c319d7 100644
--- a/ghc/includes/StgMacros.h
+++ b/ghc/includes/StgMacros.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: StgMacros.h,v 1.51 2003/04/22 16:25:08 simonmar Exp $
+ * $Id: StgMacros.h,v 1.52 2003/04/28 09:57:12 simonmar Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -246,10 +246,14 @@ typedef StgWord StgWordArray[];
    we assume that the size of a double is always 2 pointers (wasting a
    word when it is only one pointer, but avoiding lots of #ifdefs).
 
+   NOTE: if you change the layout of RET_DYN stack frames, then you
+   might also need to adjust the value of RESERVED_STACK_WORDS in
+   Constants.h.
    -------------------------------------------------------------------------- */
 
 // VERY MAGIC CONSTANTS! 
-// must agree with code in HeapStackCheck.c, stg_gen_chk
+// must agree with code in HeapStackCheck.c, stg_gen_chk, and
+// RESERVED_STACK_WORDS in Constants.h.
 //
 #define RET_DYN_BITMAP_SIZE 8
 #define RET_DYN_NONPTR_REGS_SIZE 10